/*
 * Copyright (c) 2024 Oracle and/or its affiliates.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.helidon.service.registry;

/**
 * Cardinality of the injection point.
 */
public enum DependencyCardinality {
    /**
     * Optional instance (the dependency is declared as {@code Optional<MyContract>}, this does not imply nullability.
     */
    OPTIONAL,
    /**
     * Required instance.
     */
    REQUIRED,
    /**
     * List of instances.
     */
    LIST
}
